Carrier 48NLT - Page 17

Table 5 — Air Delivery (Cfm) at Indicated Temperature Rise and Rated Heating input
NOMINAL SIZE
HEATING
UNIT TEMPERATURE RISE fF)
INPUT (Btuh)
20
25
30
35
40 I 45
50
55
60 65 1
70 75 1
80
NLT018,024,030
40,000
- ! -
987
846
740 ! 658
592 538
493
- - -
NHT024; NMT030
60,000
_ 1
1
- - — - 987 888
808 740 683 ! 634
592 1 -
NLT036,042
60,000 -
- 1 1481
1269
1111
987
888
808
740
- ! -
- i
NHT030; NMT036,042
80,000 - - -
1316
1185 1077
987
911
846 790 -
NLT048
80,000
^ 1
2370 i
1975 1693 1481
1316 1185
1077
- - - ! - -
NLT060
80,000
2962 2370 '
1975 1693 1481
1316 1185
- - - - - -
NET036,042
96,000 -
~ 1
-
1777
1580
1422 1292 1185 1096
1015 - -
NHT036,042; NMT048
100,000
-
I
2116
1851 1646
1481 1346 1234 1139
- 1 - -
NMT060
100,000
-
1
"" 1
2469 1
2116
1851 1646 1481 1
1346 1234
- - - -
NVT036,042; NHT048
120,000
-
- !
- - ~
1777 I
1616
1481
1367
1269
1185 1111
NHT060
120,000 - - 2539
2222 1975 1777
1616
1481
1367
- -
NVT048,060
144,000
- - —
-
2370 2133 i
— j
1939 1777 1641 1
1523 1422
-
NOTE: Dashed areas of the table do not fall in the approved temperature rise range of the unit
Table 6 ~ Superheat Charging Table*
OUTDOOR
INDOOR COIL ENTERING AIR TEMP (F wb)
TEMP (F)
50
52
54 56 58
60 62
i 64
66
68 70
72
74 76
55 9
12 14 17
20
23 26
29 32 35
37
40
42
45
60
7 10 12
15
18
21 24
27 30 33 35
38
40 43
65
-
6
10 13 16 19
21 24 27
30
33 36
38 41
70
- -
7
10 13 16
19 21
24
27
30
33 36 39
75
- - —
6 9 12
15
18
21 24 28
31 34 37
80
- - - -
5
8
12 15
18 21 25
28
31
35
85
- ~ - — ~ 8 11 15 19
22
26 30
33
90
- -
_ i
- - -
5
9 13 16 21
24 27
31
95
- - — - - - 6
10 14
18 22
25 29
100
- -
—
- - — - - 8
12
15
20
23
27
105
- - - - - - -
5 9 13 1
17
22 26
110
- - - - - — - - - 6 11
15 20
25
115
- - -
_ 1
1
- -
_ZIJ
-
8
14
18 23
‘Superheat at suction service valve.
NOTE; Do not attempt to charge system under these conditions; refrigerant slugging may occur
Table 7 — Required Suction-Tube Temperature (F)*
TEMP (F)
61.5 64.2 67.1 70.0
73.0
1 76.0
! 79.2
82.4
! 85^7
0 35
37 39
41 43
! 45
1 47
49
' 51
2 37 39
41 I 43 45
1 47
49
51 i 53
4 39
41
43 : 45
47
49 51
53 i 55
6
41 43 45
! 47
49
51 53
55
! 57
8
43 45 47 ' 49
51 53 55
57
1 59
10
45 47
49
1 51 53
55 57
59
61
12
47
49 51 53
55
57
59
61
63
14 49 51 53 55
57 59
61
63 65
16
51 53 55
57 59 61
63 65 67
16 53 I
55 57 59 61
63
65 67
69
20 55 1
57
59 61
63 65 67
69 71
22
57 1
59 61 63
65
67
69 71
73
24 59 61
63
65
67 69 71
73
75
26 61 63 65
67
69 71 73
75 77
28
63 i 65 67
69 71
73
75 77
79
30
65 67 69
. 71____i
73 75
77
79
81
32
67 69
71
75
77
79 81 83
34
69
71
73
75 !
77 79 81 83 85
36 71 73
75 77
79
81 83 85
87
38 i 73 75
77
79 I
81
83
85 !
87 89
40 '
75 77 79 81 ;
83
85
87 '
89 91
‘Temperature at suction service valve
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